CVE-2014-7843

2014-11-2900:00:00

ubuntu.com

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

0.0004 Low

EPSS

Percentile

5.3%

JSON

The __clear_user function in arch/arm64/lib/clear_user.S in the Linux
kernel before 3.17.4 on the ARM64 platform allows local users to cause a
denial of service (system crash) by reading one byte beyond a /dev/zero
page boundary.

Bugs

<https://launchpad.net/bugs/1392826>

Notes

Author	Note
jdstrand	android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.04 preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchlinux< 3.13.0-44.73UNKNOWN
ubuntu14.10noarchlinux< 3.16.0-29.39UNKNOWN
ubuntu12.04noarchlinux-lts-trusty< 3.13.0-44.73~precise1UNKNOWN
ubuntu14.04noarchlinux-lts-utopic< 3.16.0-29.39~14.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	linux	< 3.13.0-44.73	UNKNOWN
ubuntu	14.10	noarch	linux	< 3.16.0-29.39	UNKNOWN
ubuntu	12.04	noarch	linux-lts-trusty	< 3.13.0-44.73~precise1	UNKNOWN
ubuntu	14.04	noarch	linux-lts-utopic	< 3.16.0-29.39~14.04.1	UNKNOWN